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DTC P1843 ATF PRESSURE SWITCH 3 AT-167 D E F G H I J K L M A B AT Diagnostic Procedure NCS000HB 1. CHECK INPUT SIGNAL With CONSULT-II 1. Start engine. 2. Select “ECU INPUT SIGNALS” or “MAIN SIGNALS” in “DATA 3. Drive vehicle in the “D” position (3rd Þ 4th gear), and confirm the ON/OFF actuation of the “ATF PRES SW 3”. OK or NG OK >> GO TO 4. NG >> GO TO 2. 2. CHECK TCM POWER SUPPLY AND GROUND CIRCUIT Check TCM power supply and ground circuit. Refer to AT-172, "MAIN POWER SUPPLY AND GROUND CIR- OK or NG OK >> GO TO 3. NG >> Repair or replace damaged parts. 3. DETECT MALFUNCTIONING ITEM Check A/T assembly harness connector pin terminals for damage or loose connection with harness connector. OK or NG OK >> Replace control valve with TCM. Refer to AT-225, "Control Valve with TCM and A/T Fluid Temper- . NG >> Repair or replace damaged parts. 4. CHECK DTC Perform AT-166, "DTC Confirmation Procedure" . OK or NG OK >> INSPECTION END NG >> GO TO 2. Item name Condition Display value ATF PRES SW 3 Input clutch engaged. Refer to
. ON Input clutch disengaged. Refer to . OFF PCIA0067E |